Bertelli -Pieghe dei reni primitivi etc. 



Fig:9 



c.w. 



P.r.p. 



O.c.M. 



Fig:10. 



c.w. 



- - Pr.p. 



^ O.c.M. 



T.j,. 



■■if 



~~ "A. 



.--Ce. 

 ~ -P.r.p. 



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 ~~ C.C. 



Fig:12. 



Fùj.ll 



^ 



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ì.d.~. 





i 









s.~ 



- - ■ 







Fiy: 44. 



Fùj.13. 



-O.c.M. 

 A.p. 



ftp. 



R Lil 



